The professional ergonomic toothbrush has a functional design that ensures a firm grip and optimal brushing results. \ \ eco friendly, recyclable and 40% lighter than the average common toothbrush. \ \ medium- black 3,270 fibers. \ \ indications: \ \ \ innovative extremely flexible handle. \ rounded edges that protect teeth & gums. \ \ \ use: \ \ \ innovative extremely flexible handle. \ rounded edges that protect teeth & gums. \ \ \ \